18895086

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 50424480

約数和(自身を除く): 31529394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 49, 54, 63, 74, 98, 111, 126, 147, 189, 193, 222, 259, 294, 333, 378, 386, 441, 518, 579, 666, 777, 882, 999, 1158, 1323, 1351, 1554, 1737, 1813, 1998, 2331, 2646, 2702, 3474, 3626, 4053, 4662, 5211, 5439, 6993, 7141, 8106, 9457, 10422, 10878, 12159, 13986, 14282, 16317, 18914, 21423, 24318, 28371, 32634, 36477, 42846, 48951, 49987, 56742, 64269, 72954, 85113, 97902, 99974, 128538, 149961, 170226, 192807, 255339, 299922, 349909, 385614, 449883, 510678, 699818, 899766, 1049727, 1349649, 2099454, 2699298, 3149181, 6298362, 9447543, 18895086]

約数ペア:

[(1, 18895086), (2, 9447543), (3, 6298362), (6, 3149181), (7, 2699298), (9, 2099454), (14, 1349649), (18, 1049727), (21, 899766), (27, 699818), (37, 510678), (42, 449883), (49, 385614), (54, 349909), (63, 299922), (74, 255339), (98, 192807), (111, 170226), (126, 149961), (147, 128538), (189, 99974), (193, 97902), (222, 85113), (259, 72954), (294, 64269), (333, 56742), (378, 49987), (386, 48951), (441, 42846), (518, 36477), (579, 32634), (666, 28371), (777, 24318), (882, 21423), (999, 18914), (1158, 16317), (1323, 14282), (1351, 13986), (1554, 12159), (1737, 10878), (1813, 10422), (1998, 9457), (2331, 8106), (2646, 7141), (2702, 6993), (3474, 5439), (3626, 5211), (4053, 4662)]